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Vallejo-Pareja, M. C., Carrillo, J. D., Moreno-Bernal, J. W., Pardo-Jaramillo, M., Rodriguez-Gonzalez, D. F. and Muñoz-Duran, J. 2015. Hilarcotherium castanedaii, gen. et sp. nov., a new Miocene astrapothere (Mammalia, Astrapotheriidae) from the Upper Magdalena Valley, Colombia. Journal of Vertebrate Paleontology. Vol. 35(2), p. e903960.